| Part Number | TDA5250XUMA1 | TDA5251XUMA1 | 
|---|---|---|
| Manufacturer | Infineon Technologies | Infineon Technologies | 
| Category | RF Transceiver ICs | RF Transceiver ICs | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Type | TxRx Only | TxRx Only | 
| RF Family/Standard | General ISM < 1GHz | General ISM < 1GHz | 
| Protocol | - | - | 
| Modulation | ASK, FSK | ASK, FSK | 
| Frequency | 868MHz | 315MHz | 
| Data Rate (Max) | 64Kbps | 64Kbps | 
| Power - Output | 13dBm | 13dBm | 
| Sensitivity | -109dBm | -109dBm | 
| Memory Size | - | - | 
| Serial Interfaces | I²C, SPI | I²C, SPI | 
| GPIO | - | - | 
| Voltage - Supply | 2.1V ~ 5.5V | 2.1V ~ 5.5V | 
| Current - Receiving | 8.6mA ~ 9.1mA | 8.8mA ~ 9.8mA | 
| Current - Transmitting | 4.1mA ~ 14.6mA | 5.4mA ~ 18.7mA | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 38-TFSOP (0.173", 4.40mm Width) | 38-TFSOP (0.173", 4.40mm Width) | 
| Supplier Device Package | PG-TSSOP-38 | PG-TSSOP-38 |